Last Aired S12E24 on May 12, 2015
Season 12
7.0 (978 Ratings)
Sep 23, 2014
45 Min

Explore the inner workings of the government agency that investigates all crimes involving Navy and Marine Corps personnel, regardless of rank or position. Leading this team is NCIS Special Agent Leroy Jethro Gibbs, a skilled investigator and interrogator who is smart, tough and willing to bend the rules to get the job done

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All NCIS S12 Episodes

NCIS Seasons

  1. Watch NCIS Season 12 S12
    7 of 24 Ep. Available 2014

NCIS Episodes

  1. 24 Watch NCIS S12E24 online - Neverland
    Not Available Aired on May 12, 2015
  2. 23
    Not Available Aired on May 05, 2015
  3. 22
    Not Available Aired on Apr 28, 2015
  4. 21
    Not Available Aired on Apr 14, 2015
  5. 20
    Not Available Aired on Apr 07, 2015
  6. 19
    Not Available Aired on Mar 31, 2015
  7. 18
    Available Aired on Mar 24, 2015
  8. 17
    Available Aired on Mar 10, 2015
  9. 16
    Not Available Aired on Feb 24, 2015
  10. 15
    Available Aired on Feb 17, 2015
  11. 14
    Available Aired on Feb 10, 2015
  12. 13
    Available Aired on Feb 03, 2015
  13. 12
    Not Available Aired on Jan 13, 2015
  14. 11
    Not Available Aired on Jan 06, 2015
  15. 10
    Not Available Aired on Dec 16, 2014
  16. 9
    Not Available Aired on Nov 25, 2014
  17. 8
    Not Available Aired on Nov 18, 2014
  18. 7
    Available Aired on Nov 11, 2014
  19. 6
    Not Available Aired on Oct 28, 2014
  20. 5
    Not Available Aired on Oct 21, 2014
  21. 4
    Not Available Aired on Oct 14, 2014
  22. 3
    Not Available Aired on Oct 07, 2014
  23. 2
    Not Available Aired on Sep 30, 2014
  24. 1
    Available Aired on Sep 23, 2014

Watch NCIS season 12 episode 24 (S12E24)

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NCIS feverishly investigates a global terrorist group that is recruiting teens via the Internet, following a deadly bombing overseas that results in an emotional and surprising loss for the team.

Watch NCIS season 12 episode 23 (S12E23)

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The NCIS cyber case turns into a united global effort after evidence confirms “The Calling,” an international terrorist group that recruits children through the internet, has been purchasing S-bombs off the black market.

Watch NCIS season 12 episode 22 (S12E22)

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Special Agent Ned Dorneget from NCIS cyber operations assists the team when a Navy ensign who worked in the Office of Naval Intelligence is murdered. Also, the team discovers that Jake and Gibbs have become good friends.

Watch NCIS season 12 episode 21 (S12E21)

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Gibbs and Bishop travel to Afghanistan after the murder of a Marine in D.C. is linked to a terror group holding another Marine hostage overseas. Also, DiNozzo is upset that McGee was chosen to be the new face of NCIS for all recruitment brochures,

Watch NCIS season 12 episode 20 (S12E20)

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DiNozzo is partnered with his girlfriend ATF Special Agent Zoé Keates after evidence reveals that the murder weapon in an NCIS case was originally purchased for the controversial ATF sting operation “Operation Fast and Furious.” Also, Anthony DiNozzo Sr. returns to town for a special dinner to meet his son’s girlfriend.

Watch NCIS season 12 episode 19 (S12E19)

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The murder of a petty officer sparks a lead in a 40 year old airport bombing cold case that Gibbs and DiNozzo have been assigned to for the past two years. Also, McGee is jealous that he was not previously briefed on the cold case.

Watch NCIS season 12 episode 18 (S12E18)

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After the body of a thief is found in a Marine’s house, NCIS discovers the calling card of a terror group Delilah and the Department of Defense have been tracking.

Watch NCIS season 12 episode 17 (S12E17)

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Evidence in an NCIS murder case reveals a rare painting on loan had been swapped for a fake, prompting DiNozzo, Sr. to share his knowledge and contacts of the black market art world with the team.

Watch NCIS season 12 episode 16 (S12E16)

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A covert identity created for one of Gibbs’ undercover cases from 20 years ago resurfaces when a murder victim is found living under the alias.

Watch NCIS season 12 episode 15 (S12E15)

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The NCIS team suspects Gibbs' arch-nemesis is behind an explosion at a global terrorism summit. Gibbs elects to sit out the investigation in order to help a grief-stricken Fornell, whose life is on the verge of imploding following his wife’s murder.

Watch NCIS season 12 episode 14 (S12E14)

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DiNozzo returns to the military academy he attended as a teen after a murdered Marine, who was an alumnus of the school, is found clutching the photo of a current student. Meanwhile, Bishop and her husband invite Gibbs and the team for a special dinner.

Watch NCIS season 12 episode 13 (S12E13)

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Gibbs and the team investigate when a Navy lieutenant who is set to be the first openly gay servicemember to receive the Medal of Honor is murdered. Also, as his wife's due date approaches, Palmer prepares for fatherhood with an NCIS baby shower. Rocky Carroll makes his directorial debut.

Watch NCIS season 12 episode 12 (S12E12)

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The NCIS team searches for a home-grown terrorist after a rescue mission in Syria reveals an American was involved in the capture of a social worker. Meanwhile, McGee and Bishop question DiNozzo’s unusual behavior.

Watch NCIS season 12 episode 11 (S12E11)

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The NCIS team investigates copy-cat crime scenes while Gibbs navigates two ex-wives relentlessly trying to get his attention.

Watch NCIS season 12 episode 10 (S12E10)

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The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father.

Watch NCIS season 12 episode 9 (S12E09)

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While stuck at the Dulles airport due to inclement weather, DiNozzo, Bishop and her husband Jake work an NCIS case involving an elevated terrorist threat at Northeast airports during the Thanksgiving travel surge. Jamie Bamber guest stars.

Watch NCIS season 12 episode 8 (S12E08)

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While the NCIS team investigates the cause of a hit and run accident that resulted in the death of a Petty Officer, Gibbs searches for a way to clear a Navy Hospital Corpsman, who has served two medical tours in Afghanistan, after she's indicted for illegally providing medical aid to the victims of the crash, even though the surviving victims swear by her life-saving techniques.

Watch NCIS season 12 episode 7 (S12E07)

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After investigating the murder of a retired Master Sergeant, the NCIS team uncovers a fraudulent charity that preys on those searching for missing military personnel. Meanwhile, Bishop agonizes over the results of her probation evaluation, and Tony contemplates adopting stray cat that followed him home.

Watch NCIS season 12 episode 6 (S12E06)

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The NCIS team must determine if the murder of a Navy commander's wife is linked to her profession as a therapist or an act of terrorism after finding the commander's name on a Jihadist target list. Meanwhile, the team discusses Halloween costumes and Tony's recent dating habits.

Watch NCIS season 12 episode 5 (S12E05)

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During a joint Coast Guard and NCIS training exercise at sea, Gibbs and CGIS Agent Borin spot a deceased man overboard, who is discovered to be a missing crew member from a ship 60 nautical miles away. Upon boarding the ship for questioning, Gibbs finds himself on a vessel that has been commandeered by pirates.

Watch NCIS season 12 episode 4 (S12E04)

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The Secretary of the Navy assigns the NCIS team to a joint terrorism task force after a Naval research scientist is murdered and the lead suspect is wanted by the Russian government. In order to get a jump on the case, Gibbs has DiNozzo run interference with the leader of the task force, FBI Agent Leia Pendergast.

Watch NCIS season 12 episode 3 (S12E03)

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Flashbacks into his past help tell the tale for Dr. Mallard as he and Bishop travel to England in search of answers to find out why an Englishman murdered in the United States would have a list of deceased Navy men on his person.

Watch NCIS season 12 episode 2 (S12E02)

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When a Navy Lieutenant is killed on his way to a private meeting with the President, the NCIS team must determine if the murder was part of a recent stream of muggings in the area or a targeted hit to keep intel secret.

Watch NCIS season 12 episode 1 (S12E01)

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Gibbs and McGee travel to Russia to safely escort home an NCIS computer engineer connected to classified intel, but their mission is compromised and they are forced to go off the grid while hunted by a Russian mercenary group. Meanwhile, the team in D.C. frantically uses every asset and inter-agency contact they have in an attempt to locate their missing team members.

How to watch NCIS season 12 (S12) online without downloading

  1. Watch NCIS season 12 online only at TVZion for free. No download or registration required.
  2. NCIS season 12 started airing on Sep 23, 2014 and we have updated 7 out of 24 aired episodes and we will add more as they air.
  3. Please note that new NCIS season 12 episodes can take upto 2 days to be updated after their first airing date.
  4. To watch NCIS season 12 episodes, select the season and episodes from the list above and the proper episode information will appear on the right side (or below in case of mobile devices), click on the watch now button below the episode info to go to episode page, and watch the respective episode without downloading.

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